<!DOCTYPE html>
<html lang='en'>

<head>
   <meta charset='UTF-8'>
   <meta http-equiv='X-UA-Compatible' content='IE=edge'>
   <meta name='viewport' content='width=device-width, initial-scale=1.0'>
   <title>Document</title>
   <script src='../vue.js'></script>
</head>

<body>
   <div id='app'>
      <div style="width:100px;height:100px;background:red"></div>
      <!-- 1.v-bind绑定style属性,值是一个由样式组成的对象,从data中获取 -->
      <div :style="divStyle"></div>
      <!-- 2.v-bind绑定style属性,值是一个由样式对象组成的数组 -->
      <div :style="divStyleArr"></div>
      <!-- 3.v-bind绑定style属性和普通的style属性可以共存,我们也可以把style对象属性值作为数据保存在data里 -->
      <div style="width:100px;height:100px" :style="{background:baColor}"></div>
   </div>
      <script>
         Vue.config.productionTip = false;

         const vm = new Vue({
         el: '#app',
            data() {
               return {
                  divStyle: {
                     width: '100px',
                     height: '100px',
                     background: 'green'
                  },
                  divStyleArr: [{
                     width: "200px",
                  }, {
                     height: "100px"
                  }, {
                     background: "pink"
                  }],
                  baColor: 'blue'
               }
               }

            }
         )
      </script>
</body>

</html>